Google Analytics 4 is an analytics service that enables you to measure traffic and engagement across your websites and apps. This documentation provides implementation instructions and reference materials geared towards a developer audience. Digital Mantis, Inc. contributor David Vanhee has published a 10-step guide for smooth migration and a futureproof data-driven success story. He says, “If you have already migrated from UA to GA4, you can use our plan as a quick checklist to make sure you haven’t missed anything important. You can quickly check if you can profit from our migration... [...]